The Tecnifibre Razor Soft 16 Tennis String delivers two primary advantages: precision for peak performance and comfort to suit most players. This string, meticulously crafted from Co-polyester and PU additives, is recommended for tensions between 48 and 55 lbs, with a maximum tension of 70 lbs. Designed with players seeking precision and comfort in mind, this string is highly recommended for rackets over 300g. Remember, the larger the diameter, the stronger the string. Ideal for heavy string breakers, this string is made in France and a favorite among performance players and heavy hitters. Discover superior playability with Tecnifibre Razor Soft 16 Tennis String!